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Variance Using Mean of Squares
$$\sigma^2=\frac{\sum x_i^2}{n}-\bar{x}^2$$
Usage
- Faster formula for variance when the sum of squares is easy to calculate.
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Variance Using Mean of Squares
$$\sigma^2=\frac{\sum x_i^2}{n}-\bar{x}^2$$
Usage
- Faster formula for variance when the sum of squares is easy to calculate.
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